In the second run, is the selected audio output still portaudio or does it revert to the dummy driver?
On 3 Sep 2013, at 00:28, Michael Gogins wrote:

> I have fixed a lot of problems (mainly to do with the build configuration and the C++ABI) with CsoundQt for Csound 6.
> 
> However,there is a serious remaining problem. CsoundQt will perform a piece just fine, stop it, and perform it a second time. However, the second time, there is no sound.
> 
> I have established that the rtpa.c playopen_ function is called the first time, but not the second.
> 
> Any ideas?
> 
> Regards,
> Mike
> 
> ===========================
> Michael Gogins
> Irreducible Productions
> http://michaelgogins.tumblr.com
> Michael dot Gogins at gmail dot com
> ------------------------------------------------------------------------------
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Dr Victor Lazzarini
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NUI Maynooth Ireland
tel.: +353 1 708 3545
Victor dot Lazzarini AT nuim dot ie




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This means that something is preventing the loading of rtpa.dll and is a similar issue to what you
had reported with portmidi (pmidi.dll). I wonder if this is something to do with the Windows code for loading modules
(csmodule.c), I am actually wondering if any plugins are being loaded in the second run (you could check it by
using a plugin opcode).

You seem to have narrowed it down to this, I think you are near to cracking it.

Victor
On 3 Sep 2013, at 12:34, Michael Gogins wrote:

> Elapsed time at end of score sort: real: 0.020s, CPU: 0.021s
> Csound version 6.00.1 (double samples) Sep 1 2013
> graphics suppressed, ascii substituted
> 0dBFS level = 32768.0
> orch now loaded
> audio buffered in 4096 sample-frame blocks
> unknown rtaudio module: 'PortAudio', using dummy module
> 
> Why? What should be done about this?
> 
> Regards,
> Mike
> 
> 
> 
> ===========================
> Michael Gogins
> Irreducible Productions
> http://michaelgogins.tumblr.com
> Michael dot Gogins at gmail dot com
> 
> 
> On Tue, Sep 3, 2013 at 1:38 AM, Victor Lazzarini  wrote:
> In the second run, is the selected audio output still portaudio or does it revert to the dummy driver?
> On 3 Sep 2013, at 00:28, Michael Gogins wrote:
> 
> > I have fixed a lot of problems (mainly to do with the build configuration and the C++ABI) with CsoundQt for Csound 6.
> >
> > However,there is a serious remaining problem. CsoundQt will perform a piece just fine, stop it, and perform it a second time. However, the second time, there is no sound.
> >
> > I have established that the rtpa.c playopen_ function is called the first time, but not the second.
> >
> > Any ideas?
> >
> > Regards,
> > Mike
> >
> > ===========================
> > Michael Gogins
> > Irreducible Productions
> > http://michaelgogins.tumblr.com
> > Michael dot Gogins at gmail dot com
> > ------------------------------------------------------------------------------
> > Learn the latest--Visual Studio 2012, SharePoint 2013, SQL 2012, more!
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> > and advance your career. Get an incredible 1,500+ hours of step-by-step
> > tutorial videos with LearnDevNow. Subscribe today and save!
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> > Csound-devel mailing list
> > Csound-devel@lists.sourceforge.net
> > https://lists.sourceforge.net/lists/listinfo/csound-devel
> 
> Dr Victor Lazzarini
> Senior Lecturer
> Dept. of Music
> NUI Maynooth Ireland
> tel.: +353 1 708 3545
> Victor dot Lazzarini AT nuim dot ie
> 
> 
> 
> 
> ------------------------------------------------------------------------------
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NUI Maynooth Ireland
tel.: +353 1 708 3545
Victor dot Lazzarini AT nuim dot ie




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That message comes from Top/csound.c line 2174
It happens if csoundQueryGlobalVariable(csound, "_RTAUDIO") is null (among
other cases) so are the globals destroyed?



> This means that something is preventing the loading of rtpa.dll and is a
> similar issue to what you
> had reported with portmidi (pmidi.dll). I wonder if this is something to
> do with the Windows code for loading modules
> (csmodule.c), I am actually wondering if any plugins are being loaded in
> the second run (you could check it by
> using a plugin opcode).
>
> You seem to have narrowed it down to this, I think you are near to
> cracking it.
>
> Victor
> On 3 Sep 2013, at 12:34, Michael Gogins wrote:
>
>> Elapsed time at end of score sort: real: 0.020s, CPU: 0.021s
>> Csound version 6.00.1 (double samples) Sep 1 2013
>> graphics suppressed, ascii substituted
>> 0dBFS level = 32768.0
>> orch now loaded
>> audio buffered in 4096 sample-frame blocks
>> unknown rtaudio module: 'PortAudio', using dummy module
>>
>> Why? What should be done about this?
>>
>> Regards,
>> Mike
>>
>>
>>
>> ===========================
>> Michael Gogins
>> Irreducible Productions
>> http://michaelgogins.tumblr.com
>> Michael dot Gogins at gmail dot com
>>
>>
>> On Tue, Sep 3, 2013 at 1:38 AM, Victor Lazzarini
>>  wrote:
>> In the second run, is the selected audio output still portaudio or does
>> it revert to the dummy driver?
>> On 3 Sep 2013, at 00:28, Michael Gogins wrote:
>>
>> > I have fixed a lot of problems (mainly to do with the build
>> configuration and the C++ABI) with CsoundQt for Csound 6.
>> >
>> > However,there is a serious remaining problem. CsoundQt will perform a
>> piece just fine, stop it, and perform it a second time. However, the
>> second time, there is no sound.
>> >
>> > I have established that the rtpa.c playopen_ function is called the
>> first time, but not the second.
>> >
>> > Any ideas?
>> >
>> > Regards,
>> > Mike
>> >
>> > ===========================
>> > Michael Gogins
>> > Irreducible Productions
>> > http://michaelgogins.tumblr.com
>> > Michael dot Gogins at gmail dot com
>> > ------------------------------------------------------------------------------
>> > Learn the latest--Visual Studio 2012, SharePoint 2013, SQL 2012, more!
>> > Discover the easy way to master current and previous Microsoft
>> technologies
>> > and advance your career. Get an incredible 1,500+ hours of
>> step-by-step
>> > tutorial videos with LearnDevNow. Subscribe today and save!
>> > http://pubads.g.doubleclick.net/gampad/clk?id=58040911&iu=/4140/ostg.clktrk_______________________________________________
>> > Csound-devel mailing list
>> > Csound-devel@lists.sourceforge.net
>> > https://lists.sourceforge.net/lists/listinfo/csound-devel
>>
>> Dr Victor Lazzarini
>> Senior Lecturer
>> Dept. of Music
>> NUI Maynooth Ireland
>> tel.: +353 1 708 3545
>> Victor dot Lazzarini AT nuim dot ie
>>
>>
>>
>>
>> ------------------------------------------------------------------------------
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>> technologies
>> and advance your career. Get an incredible 1,500+ hours of step-by-step
>> tutorial videos with LearnDevNow. Subscribe today and save!
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>> _______________________________________________
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>> Csound-devel@lists.sourceforge.net
>> https://lists.sourceforge.net/lists/listinfo/csound-devel
>>
>> ------------------------------------------------------------------------------
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>> technologies
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>> Csound-devel mailing list
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>> https://lists.sourceforge.net/lists/listinfo/csound-devel
>
> Dr Victor Lazzarini
> Senior Lecturer
> Dept. of Music
> NUI Maynooth Ireland
> tel.: +353 1 708 3545
> Victor dot Lazzarini AT nuim dot ie
>
>
>
>
> ------------------------------------------------------------------------------
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> technologies
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>
>
>



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I don't think any plugins are being loaded in the second run. But why not? A new instance of Csound has been created, so why aren't the plugins and other modules automatically reloaded?

Regards,
Mike

I have no windows machine.
On 3 Sep 2013, at 12:58, Michael Gogins wrote:

> rtpa is loaded, and it is not unloaded before the second run begins. I verified this by setting catchpoints for load and unload in the debugger.
> 
> Why don't you try debugging this on Windows?
> 
> Regards,
> Mike
> 
> 
> 
> ===========================
> Michael Gogins
> Irreducible Productions
> http://michaelgogins.tumblr.com
> Michael dot Gogins at gmail dot com
> 
> 
> On Tue, Sep 3, 2013 at 7:42 AM, Victor Lazzarini  wrote:
> This means that something is preventing the loading of rtpa.dll and is a similar issue to what you
> had reported with portmidi (pmidi.dll). I wonder if this is something to do with the Windows code for loading modules
> (csmodule.c), I am actually wondering if any plugins are being loaded in the second run (you could check it by
> using a plugin opcode).
> 
> You seem to have narrowed it down to this, I think you are near to cracking it.
> 
> Victor
> On 3 Sep 2013, at 12:34, Michael Gogins wrote:
> 
> > Elapsed time at end of score sort: real: 0.020s, CPU: 0.021s
> > Csound version 6.00.1 (double samples) Sep 1 2013
> > graphics suppressed, ascii substituted
> > 0dBFS level = 32768.0
> > orch now loaded
> > audio buffered in 4096 sample-frame blocks
> > unknown rtaudio module: 'PortAudio', using dummy module
> >
> > Why? What should be done about this?
> >
> > Regards,
> > Mike
> >
> >
> >
> > ===========================
> > Michael Gogins
> > Irreducible Productions
> > http://michaelgogins.tumblr.com
> > Michael dot Gogins at gmail dot com
> >
> >
> > On Tue, Sep 3, 2013 at 1:38 AM, Victor Lazzarini  wrote:
> > In the second run, is the selected audio output still portaudio or does it revert to the dummy driver?
> > On 3 Sep 2013, at 00:28, Michael Gogins wrote:
> >
> > > I have fixed a lot of problems (mainly to do with the build configuration and the C++ABI) with CsoundQt for Csound 6.
> > >
> > > However,there is a serious remaining problem. CsoundQt will perform a piece just fine, stop it, and perform it a second time. However, the second time, there is no sound.
> > >
> > > I have established that the rtpa.c playopen_ function is called the first time, but not the second.
> > >
> > > Any ideas?
> > >
> > > Regards,
> > > Mike
> > >
> > > ===========================
> > > Michael Gogins
> > > Irreducible Productions
> > > http://michaelgogins.tumblr.com
> > > Michael dot Gogins at gmail dot com
> > > ------------------------------------------------------------------------------
> > > Learn the latest--Visual Studio 2012, SharePoint 2013, SQL 2012, more!
> > > Discover the easy way to master current and previous Microsoft technologies
> > > and advance your career. Get an incredible 1,500+ hours of step-by-step
> > > tutorial videos with LearnDevNow. Subscribe today and save!
> > > http://pubads.g.doubleclick.net/gampad/clk?id=58040911&iu=/4140/ostg.clktrk_______________________________________________
> > > Csound-devel mailing list
> > > Csound-devel@lists.sourceforge.net
> > > https://lists.sourceforge.net/lists/listinfo/csound-devel
> >
> > Dr Victor Lazzarini
> > Senior Lecturer
> > Dept. of Music
> > NUI Maynooth Ireland
> > tel.: +353 1 708 3545
> > Victor dot Lazzarini AT nuim dot ie
> >
> >
> >
> >
> > ------------------------------------------------------------------------------
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> > _______________________________________________
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> > Csound-devel@lists.sourceforge.net
> > https://lists.sourceforge.net/lists/listinfo/csound-devel
> >
> > ------------------------------------------------------------------------------
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> > Csound-devel@lists.sourceforge.net
> > https://lists.sourceforge.net/lists/listinfo/csound-devel
> 
> Dr Victor Lazzarini
> Senior Lecturer
> Dept. of Music
> NUI Maynooth Ireland
> tel.: +353 1 708 3545
> Victor dot Lazzarini AT nuim dot ie
> 
> 
> 
> 
> ------------------------------------------------------------------------------
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tel.: +353 1 708 3545
Victor dot Lazzarini AT nuim dot ie




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yes, the variable will not be filled with the audio backend name if that is not loaded. The problem appears to be in loading the
plugins.

Victor
On 3 Sep 2013, at 14:45, jpff@cs.bath.ac.uk wrote:

> That message comes from Top/csound.c line 2174
> It happens if csoundQueryGlobalVariable(csound, "_RTAUDIO") is null (among
> other cases) so are the globals destroyed?
> 
> 
> 
>> This means that something is preventing the loading of rtpa.dll and is a
>> similar issue to what you
>> had reported with portmidi (pmidi.dll). I wonder if this is something to
>> do with the Windows code for loading modules
>> (csmodule.c), I am actually wondering if any plugins are being loaded in
>> the second run (you could check it by
>> using a plugin opcode).
>> 
>> You seem to have narrowed it down to this, I think you are near to
>> cracking it.
>> 
>> Victor
>> On 3 Sep 2013, at 12:34, Michael Gogins wrote:
>> 
>>> Elapsed time at end of score sort: real: 0.020s, CPU: 0.021s
>>> Csound version 6.00.1 (double samples) Sep 1 2013
>>> graphics suppressed, ascii substituted
>>> 0dBFS level = 32768.0
>>> orch now loaded
>>> audio buffered in 4096 sample-frame blocks
>>> unknown rtaudio module: 'PortAudio', using dummy module
>>> 
>>> Why? What should be done about this?
>>> 
>>> Regards,
>>> Mike
>>> 
>>> 
>>> 
>>> ===========================
>>> Michael Gogins
>>> Irreducible Productions
>>> http://michaelgogins.tumblr.com
>>> Michael dot Gogins at gmail dot com
>>> 
>>> 
>>> On Tue, Sep 3, 2013 at 1:38 AM, Victor Lazzarini
>>>  wrote:
>>> In the second run, is the selected audio output still portaudio or does
>>> it revert to the dummy driver?
>>> On 3 Sep 2013, at 00:28, Michael Gogins wrote:
>>> 
>>>> I have fixed a lot of problems (mainly to do with the build
>>> configuration and the C++ABI) with CsoundQt for Csound 6.
>>>> 
>>>> However,there is a serious remaining problem. CsoundQt will perform a
>>> piece just fine, stop it, and perform it a second time. However, the
>>> second time, there is no sound.
>>>> 
>>>> I have established that the rtpa.c playopen_ function is called the
>>> first time, but not the second.
>>>> 
>>>> Any ideas?
>>>> 
>>>> Regards,
>>>> Mike
>>>> 
>>>> ===========================
>>>> Michael Gogins
>>>> Irreducible Productions
>>>> http://michaelgogins.tumblr.com
>>>> Michael dot Gogins at gmail dot com
>>>> ------------------------------------------------------------------------------
>>>> Learn the latest--Visual Studio 2012, SharePoint 2013, SQL 2012, more!
>>>> Discover the easy way to master current and previous Microsoft
>>> technologies
>>>> and advance your career. Get an incredible 1,500+ hours of
>>> step-by-step
>>>> tutorial videos with LearnDevNow. Subscribe today and save!
>>>> http://pubads.g.doubleclick.net/gampad/clk?id=58040911&iu=/4140/ostg.clktrk_______________________________________________
>>>> Csound-devel mailing list
>>>> Csound-devel@lists.sourceforge.net
>>>> https://lists.sourceforge.net/lists/listinfo/csound-devel
>>> 
>>> Dr Victor Lazzarini
>>> Senior Lecturer
>>> Dept. of Music
>>> NUI Maynooth Ireland
>>> tel.: +353 1 708 3545
>>> Victor dot Lazzarini AT nuim dot ie
>>> 
>>> 
>>> 
>>> 
>>> ------------------------------------------------------------------------------
>>> Learn the latest--Visual Studio 2012, SharePoint 2013, SQL 2012, more!
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>>> technologies
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>>> tutorial videos with LearnDevNow. Subscribe today and save!
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>>> _______________________________________________
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>>> https://lists.sourceforge.net/lists/listinfo/csound-devel
>>> 
>>> ------------------------------------------------------------------------------
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>> 
>> Dr Victor Lazzarini
>> Senior Lecturer
>> Dept. of Music
>> NUI Maynooth Ireland
>> tel.: +353 1 708 3545
>> Victor dot Lazzarini AT nuim dot ie
>> 
>> 
>> 
>> 
>> ------------------------------------------------------------------------------
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>> https://lists.sourceforge.net/lists/listinfo/csound-devel
>> 
>> 
>> 
> 
> 
> 
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tel.: +353 1 708 3545
Victor dot Lazzarini AT nuim dot ie




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That is OK, I don't think the globals are the problem, but the fact that the plugins are not loading in the second time.

Victor
On 3 Sep 2013, at 16:04, Michael Gogins wrote:

> CsoundQt on Windows creates a new instance of Csound and a new instance of CsoundPerformanceThread for each performance run. Presumably this destroys the globals, and then re-creates them. The command line for each run is the same (contains -odac).
> 
> 
> ===========================
> Michael Gogins
> Irreducible Productions
> http://michaelgogins.tumblr.com
> Michael dot Gogins at gmail dot com
> 
> 
> On Tue, Sep 3, 2013 at 9:45 AM,  wrote:
> That message comes from Top/csound.c line 2174
> It happens if csoundQueryGlobalVariable(csound, "_RTAUDIO") is null (among
> other cases) so are the globals destroyed?
> 
> 
> 
> > This means that something is preventing the loading of rtpa.dll and is a
> > similar issue to what you
> > had reported with portmidi (pmidi.dll). I wonder if this is something to
> > do with the Windows code for loading modules
> > (csmodule.c), I am actually wondering if any plugins are being loaded in
> > the second run (you could check it by
> > using a plugin opcode).
> >
> > You seem to have narrowed it down to this, I think you are near to
> > cracking it.
> >
> > Victor
> > On 3 Sep 2013, at 12:34, Michael Gogins wrote:
> >
> >> Elapsed time at end of score sort: real: 0.020s, CPU: 0.021s
> >> Csound version 6.00.1 (double samples) Sep 1 2013
> >> graphics suppressed, ascii substituted
> >> 0dBFS level = 32768.0
> >> orch now loaded
> >> audio buffered in 4096 sample-frame blocks
> >> unknown rtaudio module: 'PortAudio', using dummy module
> >>
> >> Why? What should be done about this?
> >>
> >> Regards,
> >> Mike
> >>
> >>
> >>
> >> ===========================
> >> Michael Gogins
> >> Irreducible Productions
> >> http://michaelgogins.tumblr.com
> >> Michael dot Gogins at gmail dot com
> >>
> >>
> >> On Tue, Sep 3, 2013 at 1:38 AM, Victor Lazzarini
> >>  wrote:
> >> In the second run, is the selected audio output still portaudio or does
> >> it revert to the dummy driver?
> >> On 3 Sep 2013, at 00:28, Michael Gogins wrote:
> >>
> >> > I have fixed a lot of problems (mainly to do with the build
> >> configuration and the C++ABI) with CsoundQt for Csound 6.
> >> >
> >> > However,there is a serious remaining problem. CsoundQt will perform a
> >> piece just fine, stop it, and perform it a second time. However, the
> >> second time, there is no sound.
> >> >
> >> > I have established that the rtpa.c playopen_ function is called the
> >> first time, but not the second.
> >> >
> >> > Any ideas?
> >> >
> >> > Regards,
> >> > Mike
> >> >
> >> > ===========================
> >> > Michael Gogins
> >> > Irreducible Productions
> >> > http://michaelgogins.tumblr.com
> >> > Michael dot Gogins at gmail dot com
> >> > ------------------------------------------------------------------------------
> >> > Learn the latest--Visual Studio 2012, SharePoint 2013, SQL 2012, more!
> >> > Discover the easy way to master current and previous Microsoft
> >> technologies
> >> > and advance your career. Get an incredible 1,500+ hours of
> >> step-by-step
> >> > tutorial videos with LearnDevNow. Subscribe today and save!
> >> > http://pubads.g.doubleclick.net/gampad/clk?id=58040911&iu=/4140/ostg.clktrk_______________________________________________
> >> > Csound-devel mailing list
> >> > Csound-devel@lists.sourceforge.net
> >> > https://lists.sourceforge.net/lists/listinfo/csound-devel
> >>
> >> Dr Victor Lazzarini
> >> Senior Lecturer
> >> Dept. of Music
> >> NUI Maynooth Ireland
> >> tel.: +353 1 708 3545
> >> Victor dot Lazzarini AT nuim dot ie
> >>
> >>
> >>
> >>
> >> ------------------------------------------------------------------------------
> >> Learn the latest--Visual Studio 2012, SharePoint 2013, SQL 2012, more!
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> >> technologies
> >> and advance your career. Get an incredible 1,500+ hours of step-by-step
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> >> _______________________________________________
> >> Csound-devel mailing list
> >> Csound-devel@lists.sourceforge.net
> >> https://lists.sourceforge.net/lists/listinfo/csound-devel
> >>
> >> ------------------------------------------------------------------------------
> >> Learn the latest--Visual Studio 2012, SharePoint 2013, SQL 2012, more!
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> >> technologies
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> >> http://pubads.g.doubleclick.net/gampad/clk?id=58040911&iu=/4140/ostg.clktrk_______________________________________________
> >> Csound-devel mailing list
> >> Csound-devel@lists.sourceforge.net
> >> https://lists.sourceforge.net/lists/listinfo/csound-devel
> >
> > Dr Victor Lazzarini
> > Senior Lecturer
> > Dept. of Music
> > NUI Maynooth Ireland
> > tel.: +353 1 708 3545
> > Victor dot Lazzarini AT nuim dot ie
> >
> >
> >
> >
> > ------------------------------------------------------------------------------
> > Learn the latest--Visual Studio 2012, SharePoint 2013, SQL 2012, more!
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> > technologies
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> > _______________________________________________
> > Csound-devel mailing list
> > Csound-devel@lists.sourceforge.net
> > https://lists.sourceforge.net/lists/listinfo/csound-devel
> >
> >
> >
> 
> 
> 
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Senior Lecturer
Dept. of Music
NUI Maynooth Ireland
tel.: +353 1 708 3545
Victor dot Lazzarini AT nuim dot ie




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I don't know, all I can say is that is a Windows issue, because they do load OK on OSX and Linux, on repeated runs.

Victor
On 3 Sep 2013, at 16:06, Michael Gogins wrote:

> As I have no OS X machine... mea maxima culpa...
> 
> To repeat my question, why are modules not loaded when the second instance of Csound is created? I think this is the problem. Is there an API function to force plugins to load?
> 
> Regards,
> Mike
> 
> 
> 
> ===========================
> Michael Gogins
> Irreducible Productions
> http://michaelgogins.tumblr.com
> Michael dot Gogins at gmail dot com
> 
> 
> On Tue, Sep 3, 2013 at 11:04 AM, Michael Gogins  wrote:
> CsoundQt on Windows creates a new instance of Csound and a new instance of CsoundPerformanceThread for each performance run. Presumably this destroys the globals, and then re-creates them. The command line for each run is the same (contains -odac).
> 
> 
> ===========================
> Michael Gogins
> Irreducible Productions
> http://michaelgogins.tumblr.com
> Michael dot Gogins at gmail dot com
> 
> 
> On Tue, Sep 3, 2013 at 9:45 AM,  wrote:
> That message comes from Top/csound.c line 2174
> It happens if csoundQueryGlobalVariable(csound, "_RTAUDIO") is null (among
> other cases) so are the globals destroyed?
> 
> 
> 
> > This means that something is preventing the loading of rtpa.dll and is a
> > similar issue to what you
> > had reported with portmidi (pmidi.dll). I wonder if this is something to
> > do with the Windows code for loading modules
> > (csmodule.c), I am actually wondering if any plugins are being loaded in
> > the second run (you could check it by
> > using a plugin opcode).
> >
> > You seem to have narrowed it down to this, I think you are near to
> > cracking it.
> >
> > Victor
> > On 3 Sep 2013, at 12:34, Michael Gogins wrote:
> >
> >> Elapsed time at end of score sort: real: 0.020s, CPU: 0.021s
> >> Csound version 6.00.1 (double samples) Sep 1 2013
> >> graphics suppressed, ascii substituted
> >> 0dBFS level = 32768.0
> >> orch now loaded
> >> audio buffered in 4096 sample-frame blocks
> >> unknown rtaudio module: 'PortAudio', using dummy module
> >>
> >> Why? What should be done about this?
> >>
> >> Regards,
> >> Mike
> >>
> >>
> >>
> >> ===========================
> >> Michael Gogins
> >> Irreducible Productions
> >> http://michaelgogins.tumblr.com
> >> Michael dot Gogins at gmail dot com
> >>
> >>
> >> On Tue, Sep 3, 2013 at 1:38 AM, Victor Lazzarini
> >>  wrote:
> >> In the second run, is the selected audio output still portaudio or does
> >> it revert to the dummy driver?
> >> On 3 Sep 2013, at 00:28, Michael Gogins wrote:
> >>
> >> > I have fixed a lot of problems (mainly to do with the build
> >> configuration and the C++ABI) with CsoundQt for Csound 6.
> >> >
> >> > However,there is a serious remaining problem. CsoundQt will perform a
> >> piece just fine, stop it, and perform it a second time. However, the
> >> second time, there is no sound.
> >> >
> >> > I have established that the rtpa.c playopen_ function is called the
> >> first time, but not the second.
> >> >
> >> > Any ideas?
> >> >
> >> > Regards,
> >> > Mike
> >> >
> >> > ===========================
> >> > Michael Gogins
> >> > Irreducible Productions
> >> > http://michaelgogins.tumblr.com
> >> > Michael dot Gogins at gmail dot com
> >> > ------------------------------------------------------------------------------
> >> > Learn the latest--Visual Studio 2012, SharePoint 2013, SQL 2012, more!
> >> > Discover the easy way to master current and previous Microsoft
> >> technologies
> >> > and advance your career. Get an incredible 1,500+ hours of
> >> step-by-step
> >> > tutorial videos with LearnDevNow. Subscribe today and save!
> >> > http://pubads.g.doubleclick.net/gampad/clk?id=58040911&iu=/4140/ostg.clktrk_______________________________________________
> >> > Csound-devel mailing list
> >> > Csound-devel@lists.sourceforge.net
> >> > https://lists.sourceforge.net/lists/listinfo/csound-devel
> >>
> >> Dr Victor Lazzarini
> >> Senior Lecturer
> >> Dept. of Music
> >> NUI Maynooth Ireland
> >> tel.: +353 1 708 3545
> >> Victor dot Lazzarini AT nuim dot ie
> >>
> >>
> >>
> >>
> >> ------------------------------------------------------------------------------
> >> Learn the latest--Visual Studio 2012, SharePoint 2013, SQL 2012, more!
> >> Discover the easy way to master current and previous Microsoft
> >> technologies
> >> and advance your career. Get an incredible 1,500+ hours of step-by-step
> >> tutorial videos with LearnDevNow. Subscribe today and save!
> >> http://pubads.g.doubleclick.net/gampad/clk?id=58040911&iu=/4140/ostg.clktrk
> >> _______________________________________________
> >> Csound-devel mailing list
> >> Csound-devel@lists.sourceforge.net
> >> https://lists.sourceforge.net/lists/listinfo/csound-devel
> >>
> >> ------------------------------------------------------------------------------
> >> Learn the latest--Visual Studio 2012, SharePoint 2013, SQL 2012, more!
> >> Discover the easy way to master current and previous Microsoft
> >> technologies
> >> and advance your career. Get an incredible 1,500+ hours of step-by-step
> >> tutorial videos with LearnDevNow. Subscribe today and save!
> >> http://pubads.g.doubleclick.net/gampad/clk?id=58040911&iu=/4140/ostg.clktrk_______________________________________________
> >> Csound-devel mailing list
> >> Csound-devel@lists.sourceforge.net
> >> https://lists.sourceforge.net/lists/listinfo/csound-devel
> >
> > Dr Victor Lazzarini
> > Senior Lecturer
> > Dept. of Music
> > NUI Maynooth Ireland
> > tel.: +353 1 708 3545
> > Victor dot Lazzarini AT nuim dot ie
> >
> >
> >
> >
> > ------------------------------------------------------------------------------
> > Learn the latest--Visual Studio 2012, SharePoint 2013, SQL 2012, more!
> > Discover the easy way to master current and previous Microsoft
> > technologies
> > and advance your career. Get an incredible 1,500+ hours of step-by-step
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> > http://pubads.g.doubleclick.net/gampad/clk?id=58040911&iu=/4140/ostg.clktrk
> > _______________________________________________
> > Csound-devel mailing list
> > Csound-devel@lists.sourceforge.net
> > https://lists.sourceforge.net/lists/listinfo/csound-devel
> >
> >
> >
> 
> 
> 
> ------------------------------------------------------------------------------
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> and advance your career. Get an incredible 1,500+ hours of step-by-step
> tutorial videos with LearnDevNow. Subscribe today and save!
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> https://lists.sourceforge.net/lists/listinfo/csound-devel
> 
> 
> ------------------------------------------------------------------------------
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Dr Victor Lazzarini
Senior Lecturer
Dept. of Music
NUI Maynooth Ireland
tel.: +353 1 708 3545
Victor dot Lazzarini AT nuim dot ie




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No, I don't think we touched that at all.

Victor
On 3 Sep 2013, at 16:10, Michael Gogins wrote:

> Has Csound changed such that Csound only loads plugins one time in a process? Even if multiple instances of Csound are created?
> 
> if that is the case, then either this should be changed back to the way it was, or there needs to be an API function for re-loading the plugins and other modules.
> 
> Regards,
> Mike
> 
> 
> 
> 
> ===========================
> Michael Gogins
> Irreducible Productions
> http://michaelgogins.tumblr.com
> Michael dot Gogins at gmail dot com
> 
> 
> On Tue, Sep 3, 2013 at 11:06 AM, Victor Lazzarini  wrote:
> yes, the variable will not be filled with the audio backend name if that is not loaded. The problem appears to be in loading the
> plugins.
> 
> Victor
> On 3 Sep 2013, at 14:45, jpff@cs.bath.ac.uk wrote:
> 
> > That message comes from Top/csound.c line 2174
> > It happens if csoundQueryGlobalVariable(csound, "_RTAUDIO") is null (among
> > other cases) so are the globals destroyed?
> >
> >
> >
> >> This means that something is preventing the loading of rtpa.dll and is a
> >> similar issue to what you
> >> had reported with portmidi (pmidi.dll). I wonder if this is something to
> >> do with the Windows code for loading modules
> >> (csmodule.c), I am actually wondering if any plugins are being loaded in
> >> the second run (you could check it by
> >> using a plugin opcode).
> >>
> >> You seem to have narrowed it down to this, I think you are near to
> >> cracking it.
> >>
> >> Victor
> >> On 3 Sep 2013, at 12:34, Michael Gogins wrote:
> >>
> >>> Elapsed time at end of score sort: real: 0.020s, CPU: 0.021s
> >>> Csound version 6.00.1 (double samples) Sep 1 2013
> >>> graphics suppressed, ascii substituted
> >>> 0dBFS level = 32768.0
> >>> orch now loaded
> >>> audio buffered in 4096 sample-frame blocks
> >>> unknown rtaudio module: 'PortAudio', using dummy module
> >>>
> >>> Why? What should be done about this?
> >>>
> >>> Regards,
> >>> Mike
> >>>
> >>>
> >>>
> >>> ===========================
> >>> Michael Gogins
> >>> Irreducible Productions
> >>> http://michaelgogins.tumblr.com
> >>> Michael dot Gogins at gmail dot com
> >>>
> >>>
> >>> On Tue, Sep 3, 2013 at 1:38 AM, Victor Lazzarini
> >>>  wrote:
> >>> In the second run, is the selected audio output still portaudio or does
> >>> it revert to the dummy driver?
> >>> On 3 Sep 2013, at 00:28, Michael Gogins wrote:
> >>>
> >>>> I have fixed a lot of problems (mainly to do with the build
> >>> configuration and the C++ABI) with CsoundQt for Csound 6.
> >>>>
> >>>> However,there is a serious remaining problem. CsoundQt will perform a
> >>> piece just fine, stop it, and perform it a second time. However, the
> >>> second time, there is no sound.
> >>>>
> >>>> I have established that the rtpa.c playopen_ function is called the
> >>> first time, but not the second.
> >>>>
> >>>> Any ideas?
> >>>>
> >>>> Regards,
> >>>> Mike
> >>>>
> >>>> ===========================
> >>>> Michael Gogins
> >>>> Irreducible Productions
> >>>> http://michaelgogins.tumblr.com
> >>>> Michael dot Gogins at gmail dot com
> >>>> ------------------------------------------------------------------------------
> >>>> Learn the latest--Visual Studio 2012, SharePoint 2013, SQL 2012, more!
> >>>> Discover the easy way to master current and previous Microsoft
> >>> technologies
> >>>> and advance your career. Get an incredible 1,500+ hours of
> >>> step-by-step
> >>>> tutorial videos with LearnDevNow. Subscribe today and save!
> >>>> http://pubads.g.doubleclick.net/gampad/clk?id=58040911&iu=/4140/ostg.clktrk_______________________________________________
> >>>> Csound-devel mailing list
> >>>> Csound-devel@lists.sourceforge.net
> >>>> https://lists.sourceforge.net/lists/listinfo/csound-devel
> >>>
> >>> Dr Victor Lazzarini
> >>> Senior Lecturer
> >>> Dept. of Music
> >>> NUI Maynooth Ireland
> >>> tel.: +353 1 708 3545
> >>> Victor dot Lazzarini AT nuim dot ie
> >>>
> >>>
> >>>
> >>>
> >>> ------------------------------------------------------------------------------
> >>> Learn the latest--Visual Studio 2012, SharePoint 2013, SQL 2012, more!
> >>> Discover the easy way to master current and previous Microsoft
> >>> technologies
> >>> and advance your career. Get an incredible 1,500+ hours of step-by-step
> >>> tutorial videos with LearnDevNow. Subscribe today and save!
> >>> http://pubads.g.doubleclick.net/gampad/clk?id=58040911&iu=/4140/ostg.clktrk
> >>> _______________________________________________
> >>> Csound-devel mailing list
> >>> Csound-devel@lists.sourceforge.net
> >>> https://lists.sourceforge.net/lists/listinfo/csound-devel
> >>>
> >>> ------------------------------------------------------------------------------
> >>> Learn the latest--Visual Studio 2012, SharePoint 2013, SQL 2012, more!
> >>> Discover the easy way to master current and previous Microsoft
> >>> technologies
> >>> and advance your career. Get an incredible 1,500+ hours of step-by-step
> >>> tutorial videos with LearnDevNow. Subscribe today and save!
> >>> http://pubads.g.doubleclick.net/gampad/clk?id=58040911&iu=/4140/ostg.clktrk_______________________________________________
> >>> Csound-devel mailing list
> >>> Csound-devel@lists.sourceforge.net
> >>> https://lists.sourceforge.net/lists/listinfo/csound-devel
> >>
> >> Dr Victor Lazzarini
> >> Senior Lecturer
> >> Dept. of Music
> >> NUI Maynooth Ireland
> >> tel.: +353 1 708 3545
> >> Victor dot Lazzarini AT nuim dot ie
> >>
> >>
> >>
> >>
> >> ------------------------------------------------------------------------------
> >> Learn the latest--Visual Studio 2012, SharePoint 2013, SQL 2012, more!
> >> Discover the easy way to master current and previous Microsoft
> >> technologies
> >> and advance your career. Get an incredible 1,500+ hours of step-by-step
> >> tutorial videos with LearnDevNow. Subscribe today and save!
> >> http://pubads.g.doubleclick.net/gampad/clk?id=58040911&iu=/4140/ostg.clktrk
> >> _______________________________________________
> >> Csound-devel mailing list
> >> Csound-devel@lists.sourceforge.net
> >> https://lists.sourceforge.net/lists/listinfo/csound-devel
> >>
> >>
> >>
> >
> >
> >
> > ------------------------------------------------------------------------------
> > Learn the latest--Visual Studio 2012, SharePoint 2013, SQL 2012, more!
> > Discover the easy way to master current and previous Microsoft technologies
> > and advance your career. Get an incredible 1,500+ hours of step-by-step
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> > _______________________________________________
> > Csound-devel mailing list
> > Csound-devel@lists.sourceforge.net
> > https://lists.sourceforge.net/lists/listinfo/csound-devel
> 
> Dr Victor Lazzarini
> Senior Lecturer
> Dept. of Music
> NUI Maynooth Ireland
> tel.: +353 1 708 3545
> Victor dot Lazzarini AT nuim dot ie
> 
> 
> 
> 
> ------------------------------------------------------------------------------
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> and advance your career. Get an incredible 1,500+ hours of step-by-step
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> 
> ------------------------------------------------------------------------------
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Dr Victor Lazzarini
Senior Lecturer
Dept. of Music
NUI Maynooth Ireland
tel.: +353 1 708 3545
Victor dot Lazzarini AT nuim dot ie




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On the other platforms, Csound is not created for each run by Csound

On Windows, it is.  So what do we do?

> As I have no OS X machine... mea maxima culpa...
>
> To repeat my question, why are modules not loaded when the second instance
> of Csound is created? I think this is the problem. Is there an API
> function
> to force plugins to load?
>
> Regards,
> Mike
>

There is a list of loaded modules; is that being maintained properly?

(typing in ignorance)


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Is that right? I don't know about CsoundQT, but on OSX, I have recreated Csound many times in a single Python run and there are no issues. 

Victor
On 3 Sep 2013, at 16:45, Michael Gogins wrote:

> On the other platforms, Csound is not created for each run by Csound
> 
> On Windows, it is.  So what do we do? 
> On Sep 3, 2013 11:17 AM, "Victor Lazzarini"  wrote:
> I don't know, all I can say is that is a Windows issue, because they do load OK on OSX and Linux, on repeated runs.
> 
> Victor
> On 3 Sep 2013, at 16:06, Michael Gogins wrote:
> 
> > As I have no OS X machine... mea maxima culpa...
> >
> > To repeat my question, why are modules not loaded when the second instance of Csound is created? I think this is the problem. Is there an API function to force plugins to load?
> >
> > Regards,
> > Mike
> >
> >
> >
> > ===========================
> > Michael Gogins
> > Irreducible Productions
> > http://michaelgogins.tumblr.com
> > Michael dot Gogins at gmail dot com
> >
> >
> > On Tue, Sep 3, 2013 at 11:04 AM, Michael Gogins  wrote:
> > CsoundQt on Windows creates a new instance of Csound and a new instance of CsoundPerformanceThread for each performance run. Presumably this destroys the globals, and then re-creates them. The command line for each run is the same (contains -odac).
> >
> >
> > ===========================
> > Michael Gogins
> > Irreducible Productions
> > http://michaelgogins.tumblr.com
> > Michael dot Gogins at gmail dot com
> >
> >
> > On Tue, Sep 3, 2013 at 9:45 AM,  wrote:
> > That message comes from Top/csound.c line 2174
> > It happens if csoundQueryGlobalVariable(csound, "_RTAUDIO") is null (among
> > other cases) so are the globals destroyed?
> >
> >
> >
> > > This means that something is preventing the loading of rtpa.dll and is a
> > > similar issue to what you
> > > had reported with portmidi (pmidi.dll). I wonder if this is something to
> > > do with the Windows code for loading modules
> > > (csmodule.c), I am actually wondering if any plugins are being loaded in
> > > the second run (you could check it by
> > > using a plugin opcode).
> > >
> > > You seem to have narrowed it down to this, I think you are near to
> > > cracking it.
> > >
> > > Victor
> > > On 3 Sep 2013, at 12:34, Michael Gogins wrote:
> > >
> > >> Elapsed time at end of score sort: real: 0.020s, CPU: 0.021s
> > >> Csound version 6.00.1 (double samples) Sep 1 2013
> > >> graphics suppressed, ascii substituted
> > >> 0dBFS level = 32768.0
> > >> orch now loaded
> > >> audio buffered in 4096 sample-frame blocks
> > >> unknown rtaudio module: 'PortAudio', using dummy module
> > >>
> > >> Why? What should be done about this?
> > >>
> > >> Regards,
> > >> Mike
> > >>
> > >>
> > >>
> > >> ===========================
> > >> Michael Gogins
> > >> Irreducible Productions
> > >> http://michaelgogins.tumblr.com
> > >> Michael dot Gogins at gmail dot com
> > >>
> > >>
> > >> On Tue, Sep 3, 2013 at 1:38 AM, Victor Lazzarini
> > >>  wrote:
> > >> In the second run, is the selected audio output still portaudio or does
> > >> it revert to the dummy driver?
> > >> On 3 Sep 2013, at 00:28, Michael Gogins wrote:
> > >>
> > >> > I have fixed a lot of problems (mainly to do with the build
> > >> configuration and the C++ABI) with CsoundQt for Csound 6.
> > >> >
> > >> > However,there is a serious remaining problem. CsoundQt will perform a
> > >> piece just fine, stop it, and perform it a second time. However, the
> > >> second time, there is no sound.
> > >> >
> > >> > I have established that the rtpa.c playopen_ function is called the
> > >> first time, but not the second.
> > >> >
> > >> > Any ideas?
> > >> >
> > >> > Regards,
> > >> > Mike
> > >> >
> > >> > ===========================
> > >> > Michael Gogins
> > >> > Irreducible Productions
> > >> > http://michaelgogins.tumblr.com
> > >> > Michael dot Gogins at gmail dot com
> > >> > ------------------------------------------------------------------------------
> > >> > Learn the latest--Visual Studio 2012, SharePoint 2013, SQL 2012, more!
> > >> > Discover the easy way to master current and previous Microsoft
> > >> technologies
> > >> > and advance your career. Get an incredible 1,500+ hours of
> > >> step-by-step
> > >> > tutorial videos with LearnDevNow. Subscribe today and save!
> > >> > http://pubads.g.doubleclick.net/gampad/clk?id=58040911&iu=/4140/ostg.clktrk_______________________________________________
> > >> > Csound-devel mailing list
> > >> > Csound-devel@lists.sourceforge.net
> > >> > https://lists.sourceforge.net/lists/listinfo/csound-devel
> > >>
> > >> Dr Victor Lazzarini
> > >> Senior Lecturer
> > >> Dept. of Music
> > >> NUI Maynooth Ireland
> > >> tel.: +353 1 708 3545
> > >> Victor dot Lazzarini AT nuim dot ie
> > >>
> > >>
> > >>
> > >>
> > >> ------------------------------------------------------------------------------
> > >> Learn the latest--Visual Studio 2012, SharePoint 2013, SQL 2012, more!
> > >> Discover the easy way to master current and previous Microsoft
> > >> technologies
> > >> and advance your career. Get an incredible 1,500+ hours of step-by-step
> > >> tutorial videos with LearnDevNow. Subscribe today and save!
> > >> http://pubads.g.doubleclick.net/gampad/clk?id=58040911&iu=/4140/ostg.clktrk
> > >> _______________________________________________
> > >> Csound-devel mailing list
> > >> Csound-devel@lists.sourceforge.net
> > >> https://lists.sourceforge.net/lists/listinfo/csound-devel
> > >>
> > >> ------------------------------------------------------------------------------
> > >> Learn the latest--Visual Studio 2012, SharePoint 2013, SQL 2012, more!
> > >> Discover the easy way to master current and previous Microsoft
> > >> technologies
> > >> and advance your career. Get an incredible 1,500+ hours of step-by-step
> > >> tutorial videos with LearnDevNow. Subscribe today and save!
> > >> http://pubads.g.doubleclick.net/gampad/clk?id=58040911&iu=/4140/ostg.clktrk_______________________________________________
> > >> Csound-devel mailing list
> > >> Csound-devel@lists.sourceforge.net
> > >> https://lists.sourceforge.net/lists/listinfo/csound-devel
> > >
> > > Dr Victor Lazzarini
> > > Senior Lecturer
> > > Dept. of Music
> > > NUI Maynooth Ireland
> > > tel.: +353 1 708 3545
> > > Victor dot Lazzarini AT nuim dot ie
> > >
> > >
> > >
> > >
> > > ------------------------------------------------------------------------------
> > > Learn the latest--Visual Studio 2012, SharePoint 2013, SQL 2012, more!
> > > Discover the easy way to master current and previous Microsoft
> > > technologies
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> > > http://pubads.g.doubleclick.net/gampad/clk?id=58040911&iu=/4140/ostg.clktrk
> > > _______________________________________________
> > > Csound-devel mailing list
> > > Csound-devel@lists.sourceforge.net
> > > https://lists.sourceforge.net/lists/listinfo/csound-devel
> > >
> > >
> > >
> >
> >
> >
> > ------------------------------------------------------------------------------
> > Learn the latest--Visual Studio 2012, SharePoint 2013, SQL 2012, more!
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> > and advance your career. Get an incredible 1,500+ hours of step-by-step
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> > _______________________________________________
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> > https://lists.sourceforge.net/lists/listinfo/csound-devel
> >
> >
> > ------------------------------------------------------------------------------
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> > Csound-devel mailing list
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> > https://lists.sourceforge.net/lists/listinfo/csound-devel
> 
> Dr Victor Lazzarini
> Senior Lecturer
> Dept. of Music
> NUI Maynooth Ireland
> tel.: +353 1 708 3545
> Victor dot Lazzarini AT nuim dot ie
> 
> 
> 
> 
> ------------------------------------------------------------------------------
> Learn the latest--Visual Studio 2012, SharePoint 2013, SQL 2012, more!
> Discover the easy way to master current and previous Microsoft technologies
> and advance your career. Get an incredible 1,500+ hours of step-by-step
> tutorial videos with LearnDevNow. Subscribe today and save!
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Dr Victor Lazzarini
Senior Lecturer
Dept. of Music
NUI Maynooth Ireland
tel.: +353 1 708 3545
Victor dot Lazzarini AT nuim dot ie




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I have tested this on OSX with a simple program that recreates csound and runs 4 times

#include 
#include 
#include 
#include 
int main(int argc, char **argv){
  Csound *cs; 
  int i;
  for(i=0; i < 4; i++) {
  cs = new Csound();
  cs->SetOption("-odac");
  cs->CompileOrc("instr 1 \n a1 oscils p4, p5, 0 \n out a1 \n endin \n");
  cs->ReadScore("i1 0 1 16000 440 \n i1 + 1 16000 880 \n");
  CsoundPerformanceThread *perf = new CsoundPerformanceThread(cs);
  cs->Start();
  perf->Play();
  sleep(3);
 perf->Stop();
 delete perf;
 delete cs;
  }
  return 0;
}

As you can see from the messages below, it loads the portaudio module perfectly every single time

==
coltrane:debug victor$ ./testvirtual_keyboard real time MIDI plugin for Csound
0dBFS level = 32768.0
Csound version 6.00.1 (double samples) Aug 22 2013
libsndfile-1.0.21
rtaudio: PortAudio module enabled ... 
using callback interface
rtmidi: PortMIDI module enabled
Csound version 6.00.1 (double samples) Aug 22 2013
graphics suppressed, ascii substituted
0dBFS level = 32768.0
orch now loaded
audio buffered in 1024 sample-frame blocks
PortAudio V19-devel (built Oct  3 2012 09:31:53)
   0: dac0 (Built-in Output)
   1: dac1 (Soundflower (2ch))
   2: dac2 (Soundflower (64ch))
   3: dac3 (Aggregate Device)
   4: dac4 (output device)
PortAudio: selected output device 'Built-in Output'
writing 1024 sample blks of 64-bit floats to dac 
SECTION 1:
new alloc for instr 1:
B  0.000 ..  1.000 T  1.000 TT  1.000 M:  16000.0
B  1.000 ..  2.000 T  2.000 TT  2.000 M:  16000.0
Score finished in csoundPerformKsmps().
inactive allocs returned to freespace
end of score.		   overall amps:  16000.0
	   overall samples out of range:        0
0 errors in performance
Elapsed time at end of performance: real: 2.208s, CPU: 0.213s
closing device
87 1024 sample blks of 64-bit floats written to dac
virtual_keyboard real time MIDI plugin for Csound
0dBFS level = 32768.0
Csound version 6.00.1 (double samples) Aug 22 2013
libsndfile-1.0.21
rtaudio: PortAudio module enabled ... 
using callback interface
rtmidi: PortMIDI module enabled
Csound version 6.00.1 (double samples) Aug 22 2013
graphics suppressed, ascii substituted
0dBFS level = 32768.0
orch now loaded
audio buffered in 1024 sample-frame blocks
PortAudio V19-devel (built Oct  3 2012 09:31:53)
   0: dac0 (Built-in Output)
   1: dac1 (Soundflower (2ch))
   2: dac2 (Soundflower (64ch))
   3: dac3 (Aggregate Device)
   4: dac4 (output device)
PortAudio: selected output device 'Built-in Output'
writing 1024 sample blks of 64-bit floats to dac 
SECTION 1:
new alloc for instr 1:
B  0.000 ..  1.000 T  1.000 TT  1.000 M:  16000.0
B  1.000 ..  2.000 T  2.000 TT  2.000 M:  16000.0
Score finished in csoundPerformKsmps().
inactive allocs returned to freespace
end of score.		   overall amps:  16000.0
	   overall samples out of range:        0
0 errors in performance
Elapsed time at end of performance: real: 2.053s, CPU: 0.135s
closing device
87 1024 sample blks of 64-bit floats written to dac
virtual_keyboard real time MIDI plugin for Csound
0dBFS level = 32768.0
Csound version 6.00.1 (double samples) Aug 22 2013
libsndfile-1.0.21
rtaudio: PortAudio module enabled ... 
using callback interface
rtmidi: PortMIDI module enabled
Csound version 6.00.1 (double samples) Aug 22 2013
graphics suppressed, ascii substituted
0dBFS level = 32768.0
orch now loaded
audio buffered in 1024 sample-frame blocks
PortAudio V19-devel (built Oct  3 2012 09:31:53)
   0: dac0 (Built-in Output)
   1: dac1 (Soundflower (2ch))
   2: dac2 (Soundflower (64ch))
   3: dac3 (Aggregate Device)
   4: dac4 (output device)
PortAudio: selected output device 'Built-in Output'
writing 1024 sample blks of 64-bit floats to dac 
SECTION 1:
new alloc for instr 1:
B  0.000 ..  1.000 T  1.000 TT  1.000 M:  16000.0
B  1.000 ..  2.000 T  2.000 TT  2.000 M:  16000.0
Score finished in csoundPerformKsmps().
inactive allocs returned to freespace
end of score.		   overall amps:  16000.0
	   overall samples out of range:        0
0 errors in performance
Elapsed time at end of performance: real: 2.051s, CPU: 0.125s
closing device
87 1024 sample blks of 64-bit floats written to dac
virtual_keyboard real time MIDI plugin for Csound
0dBFS level = 32768.0
Csound version 6.00.1 (double samples) Aug 22 2013
libsndfile-1.0.21
rtaudio: PortAudio module enabled ... 
using callback interface
rtmidi: PortMIDI module enabled
Csound version 6.00.1 (double samples) Aug 22 2013
graphics suppressed, ascii substituted
0dBFS level = 32768.0
orch now loaded
audio buffered in 1024 sample-frame blocks
PortAudio V19-devel (built Oct  3 2012 09:31:53)
   0: dac0 (Built-in Output)
   1: dac1 (Soundflower (2ch))
   2: dac2 (Soundflower (64ch))
   3: dac3 (Aggregate Device)
   4: dac4 (output device)
PortAudio: selected output device 'Built-in Output'
writing 1024 sample blks of 64-bit floats to dac 
SECTION 1:
new alloc for instr 1:
B  0.000 ..  1.000 T  1.000 TT  1.000 M:  16000.0
B  1.000 ..  2.000 T  2.000 TT  2.000 M:  16000.0
Score finished in csoundPerformKsmps().
inactive allocs returned to freespace
end of score.		   overall amps:  16000.0
	   overall samples out of range:        0
0 errors in performance
Elapsed time at end of performance: real: 2.051s, CPU: 0.135s
closing device
87 1024 sample blks of 64-bit floats written to dac






On 3 Sep 2013, at 16:57, Victor Lazzarini wrote:

> Is that right? I don't know about CsoundQT, but on OSX, I have recreated Csound many times in a single Python run and there are no issues. 
> 
> Victor
> On 3 Sep 2013, at 16:45, Michael Gogins wrote:
> 
>> On the other platforms, Csound is not created for each run by Csound
>> 
>> On Windows, it is.  So what do we do? 
>> On Sep 3, 2013 11:17 AM, "Victor Lazzarini"  wrote:
>> I don't know, all I can say is that is a Windows issue, because they do load OK on OSX and Linux, on repeated runs.
>> 
>> Victor
>> On 3 Sep 2013, at 16:06, Michael Gogins wrote:
>> 
>>> As I have no OS X machine... mea maxima culpa...
>>> 
>>> To repeat my question, why are modules not loaded when the second instance of Csound is created? I think this is the problem. Is there an API function to force plugins to load?
>>> 
>>> Regards,
>>> Mike
>>> 
>>> 
>>> 
>>> ===========================
>>> Michael Gogins
>>> Irreducible Productions
>>> http://michaelgogins.tumblr.com
>>> Michael dot Gogins at gmail dot com
>>> 
>>> 
>>> On Tue, Sep 3, 2013 at 11:04 AM, Michael Gogins  wrote:
>>> CsoundQt on Windows creates a new instance of Csound and a new instance of CsoundPerformanceThread for each performance run. Presumably this destroys the globals, and then re-creates them. The command line for each run is the same (contains -odac).
>>> 
>>> 
>>> ===========================
>>> Michael Gogins
>>> Irreducible Productions
>>> http://michaelgogins.tumblr.com
>>> Michael dot Gogins at gmail dot com
>>> 
>>> 
>>> On Tue, Sep 3, 2013 at 9:45 AM,  wrote:
>>> That message comes from Top/csound.c line 2174
>>> It happens if csoundQueryGlobalVariable(csound, "_RTAUDIO") is null (among
>>> other cases) so are the globals destroyed?
>>> 
>>> 
>>> 
>>>> This means that something is preventing the loading of rtpa.dll and is a
>>>> similar issue to what you
>>>> had reported with portmidi (pmidi.dll). I wonder if this is something to
>>>> do with the Windows code for loading modules
>>>> (csmodule.c), I am actually wondering if any plugins are being loaded in
>>>> the second run (you could check it by
>>>> using a plugin opcode).
>>>> 
>>>> You seem to have narrowed it down to this, I think you are near to
>>>> cracking it.
>>>> 
>>>> Victor
>>>> On 3 Sep 2013, at 12:34, Michael Gogins wrote:
>>>> 
>>>>> Elapsed time at end of score sort: real: 0.020s, CPU: 0.021s
>>>>> Csound version 6.00.1 (double samples) Sep 1 2013
>>>>> graphics suppressed, ascii substituted
>>>>> 0dBFS level = 32768.0
>>>>> orch now loaded
>>>>> audio buffered in 4096 sample-frame blocks
>>>>> unknown rtaudio module: 'PortAudio', using dummy module
>>>>> 
>>>>> Why? What should be done about this?
>>>>> 
>>>>> Regards,
>>>>> Mike
>>>>> 
>>>>> 
>>>>> 
>>>>> ===========================
>>>>> Michael Gogins
>>>>> Irreducible Productions
>>>>> http://michaelgogins.tumblr.com
>>>>> Michael dot Gogins at gmail dot com
>>>>> 
>>>>> 
>>>>> On Tue, Sep 3, 2013 at 1:38 AM, Victor Lazzarini
>>>>>  wrote:
>>>>> In the second run, is the selected audio output still portaudio or does
>>>>> it revert to the dummy driver?
>>>>> On 3 Sep 2013, at 00:28, Michael Gogins wrote:
>>>>> 
>>>>>> I have fixed a lot of problems (mainly to do with the build
>>>>> configuration and the C++ABI) with CsoundQt for Csound 6.
>>>>>> 
>>>>>> However,there is a serious remaining problem. CsoundQt will perform a
>>>>> piece just fine, stop it, and perform it a second time. However, the
>>>>> second time, there is no sound.
>>>>>> 
>>>>>> I have established that the rtpa.c playopen_ function is called the
>>>>> first time, but not the second.
>>>>>> 
>>>>>> Any ideas?
>>>>>> 
>>>>>> Regards,
>>>>>> Mike
>>>>>> 
>>>>>> ===========================
>>>>>> Michael Gogins
>>>>>> Irreducible Productions
>>>>>> http://michaelgogins.tumblr.com
>>>>>> Michael dot Gogins at gmail dot com
>>>>>> ------------------------------------------------------------------------------
>>>>>> Learn the latest--Visual Studio 2012, SharePoint 2013, SQL 2012, more!
>>>>>> Discover the easy way to master current and previous Microsoft
>>>>> technologies
>>>>>> and advance your career. Get an incredible 1,500+ hours of
>>>>> step-by-step
>>>>>> tutorial videos with LearnDevNow. Subscribe today and save!
>>>>>> http://pubads.g.doubleclick.net/gampad/clk?id=58040911&iu=/4140/ostg.clktrk_______________________________________________
>>>>>> Csound-devel mailing list
>>>>>> Csound-devel@lists.sourceforge.net
>>>>>> https://lists.sourceforge.net/lists/listinfo/csound-devel
>>>>> 
>>>>> Dr Victor Lazzarini
>>>>> Senior Lecturer
>>>>> Dept. of Music
>>>>> NUI Maynooth Ireland
>>>>> tel.: +353 1 708 3545
>>>>> Victor dot Lazzarini AT nuim dot ie
>>>>> 
>>>>> 
>>>>> 
>>>>> 
>>>>> ------------------------------------------------------------------------------
>>>>> Learn the latest--Visual Studio 2012, SharePoint 2013, SQL 2012, more!
>>>>> Discover the easy way to master current and previous Microsoft
>>>>> technologies
>>>>> and advance your career. Get an incredible 1,500+ hours of step-by-step
>>>>> tutorial videos with LearnDevNow. Subscribe today and save!
>>>>> http://pubads.g.doubleclick.net/gampad/clk?id=58040911&iu=/4140/ostg.clktrk
>>>>> _______________________________________________
>>>>> Csound-devel mailing list
>>>>> Csound-devel@lists.sourceforge.net
>>>>> https://lists.sourceforge.net/lists/listinfo/csound-devel
>>>>> 
>>>>> ------------------------------------------------------------------------------
>>>>> Learn the latest--Visual Studio 2012, SharePoint 2013, SQL 2012, more!
>>>>> Discover the easy way to master current and previous Microsoft
>>>>> technologies
>>>>> and advance your career. Get an incredible 1,500+ hours of step-by-step
>>>>> tutorial videos with LearnDevNow. Subscribe today and save!
>>>>> http://pubads.g.doubleclick.net/gampad/clk?id=58040911&iu=/4140/ostg.clktrk_______________________________________________
>>>>> Csound-devel mailing list
>>>>> Csound-devel@lists.sourceforge.net
>>>>> https://lists.sourceforge.net/lists/listinfo/csound-devel
>>>> 
>>>> Dr Victor Lazzarini
>>>> Senior Lecturer
>>>> Dept. of Music
>>>> NUI Maynooth Ireland
>>>> tel.: +353 1 708 3545
>>>> Victor dot Lazzarini AT nuim dot ie
>>>> 
>>>> 
>>>> 
>>>> 
>>>> ------------------------------------------------------------------------------
>>>> Learn the latest--Visual Studio 2012, SharePoint 2013, SQL 2012, more!
>>>> Discover the easy way to master current and previous Microsoft
>>>> technologies
>>>> and advance your career. Get an incredible 1,500+ hours of step-by-step
>>>> tutorial videos with LearnDevNow. Subscribe today and save!
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>>>> _______________________________________________
>>>> Csound-devel mailing list
>>>> Csound-devel@lists.sourceforge.net
>>>> https://lists.sourceforge.net/lists/listinfo/csound-devel
>>>> 
>>>> 
>>>> 
>>> 
>>> 
>>> 
>>> ------------------------------------------------------------------------------
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>>> Discover the easy way to master current and previous Microsoft technologies
>>> and advance your career. Get an incredible 1,500+ hours of step-by-step
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>>> 
>>> 
>>> ------------------------------------------------------------------------------
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>>> https://lists.sourceforge.net/lists/listinfo/csound-devel
>> 
>> Dr Victor Lazzarini
>> Senior Lecturer
>> Dept. of Music
>> NUI Maynooth Ireland
>> tel.: +353 1 708 3545
>> Victor dot Lazzarini AT nuim dot ie
>> 
>> 
>> 
>> 
>> ------------------------------------------------------------------------------
>> Learn the latest--Visual Studio 2012, SharePoint 2013, SQL 2012, more!
>> Discover the easy way to master current and previous Microsoft technologies
>> and advance your career. Get an incredible 1,500+ hours of step-by-step
>> tutorial videos with LearnDevNow. Subscribe today and save!
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>> _______________________________________________
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>> https://lists.sourceforge.net/lists/listinfo/csound-devel
>> ------------------------------------------------------------------------------
>> Learn the latest--Visual Studio 2012, SharePoint 2013, SQL 2012, more!
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>> https://lists.sourceforge.net/lists/listinfo/csound-devel
> 
> Dr Victor Lazzarini
> Senior Lecturer
> Dept. of Music
> NUI Maynooth Ireland
> tel.: +353 1 708 3545
> Victor dot Lazzarini AT nuim dot ie
> 
> 
> 
> 
> ------------------------------------------------------------------------------
> Learn the latest--Visual Studio 2012, SharePoint 2013, SQL 2012, more!
> Discover the easy way to master current and previous Microsoft technologies
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Dr Victor Lazzarini
Senior Lecturer
Dept. of Music
NUI Maynooth Ireland
tel.: +353 1 708 3545
Victor dot Lazzarini AT nuim dot ie




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